Abdominal muscle exercise apparatus



FIG. 1 is a perspective view of an abdominal muscle exercise apparatus.

FIG. 2 is a left view of the abdominal muscle exercise apparatus.

FIG. 3 is top view of the abdominal muscle exercise apparatus.

FIG. 4 is a front view of the abdominal muscle exercise apparatus.

FIG. 5 is right view of the abdominal muscle exercise apparatus.

FIG. 6 is a bottom view of the abdominal muscle exercise apparatus.

FIG. 7 is a rear view of the abdominal muscle exercise apparatus; and,

FIG. 8 shows a perspective view of the embodiment of FIG. 1 with the handle in a rotated position. 

CLAIM The ornamental design for an abdominal muscle exercise apparatus, as shown and described. 